a trip that has been organized for a particular purpose such as a scientific or military one or for exploration

远征, 探险
to go for a long walk or journey, particularly in the mountains, forests, etc. as an adventure

徒步旅行, 跋涉
a structure built over a river, road, etc. that enables people or vehicles to go from one side to the other

桥, 桥梁
a valley that is deep and has very steep sides, through which a river is flowing usually

峡谷, canyon
to establish a physical connection or attachment between two or more things

连接, 联结
the scientific study of the physical features of the Earth and its atmosphere, divisions, products, population, etc.

地理, 地理学
the main part of a continent or country that is connected to a larger landmass, excluding surrounding islands or territories

大陆, 本土
a passage dug through or under a mountain or a structure, typically for cars, trains, people, etc.

隧道, 通道
to play or perform a role in a play, movie, etc.

表演, 演出
a play that is performed in a theater, on TV, or radio

话剧, 戏剧
a state of being widely known or recognized, usually because of notable achievements, talents, or actions

名声, 声誉
a set of ideas and activities involved in governing a country, state, or city

政治, 政策
someone who works in the government or a law-making organization

政治家, 官员
an activity in which someone jumps from a very high place with a rubber cord tied around their ankles

蹦极, 蹦极跳
to invite someone to compete or strongly suggest they should do something, often to test their abilities or encourage action

挑战, 考验
the sport or activity of riding a bicycle

骑自行车, 骑行
an event or competition in which participants showcase their skills or talents in front of an audience and a panel of judges

才艺表演, talento比赛
